APA način citiranja

Eastman, N. J. (1937). 4. Heart Disease from the Viewpoint of the Obstetrician.

Čikaški stil citiranja

Eastman, Nicholson J. 4. Heart Disease From the Viewpoint of the Obstetrician. 1937.

MLA način citiranja

Eastman, Nicholson J. 4. Heart Disease From the Viewpoint of the Obstetrician. 1937.

Upozorenje: Ovi citati možda nisu uvijek 100% točni.